<template>
  <common-echart :pos="pos" :option="option" @getMychart="getMychart" width="353" height="150"></common-echart>
</template>

<script setup>
  import { reactive, computed, ref, onMounted, nextTick, getCurrentInstance } from 'vue'
  import commonEchart from '@/components/commonEchart.vue'
  const { appContext : { config: { globalProperties } } } = getCurrentInstance()
  const echarts = globalProperties.$echarts
  const { pos } = defineProps({
    pos: {
      type: String,
      required: true
    }
  })
  let myChart = ref({})
  // 定义 data
  let data = reactive({
    myColor: ['#41fff9', '#41a0ff'],
    dataList1: [100,110,130,330,200,100,150],
    // dataList2: [90, 100, 110,200,210,320,225,120,100,90,130,180],
    dataTitle: ['00:00','04:00','08:00','12:00','16:00','20:00','24:00'],
    dataSeries: [],
    // resObj: {}
  })
    // 1.1 从接口获取数据
  const getData = async() => {
    const {data: data0} = await getPopulationTotal()
    // console.log(data0);
    if(data0.code != 200){
      return 
    }

    // 1.1.1 获取真实数据data0以后，把data0数据push到data中
    data.dataList1 = []
    data0.data.age.forEach((item, index) => {
      data.dataList1.push(item)
    })
    // 1.1.2 进一步加工
    dealData(data)
  }
  // 1.2 二次加工并更新图表
  const dealData = (data) => {
    data.dataList1.forEach((item, index) => {
      data.dataSeries.push({
        value: item,
        name: data.dataTitle[index],
      })
    })
    // for (let i in data.dataSeries) {
    //   data.resObj[data.dataSeries[i]["name"]] = data.dataSeries[i];
    // }
    
    // 更新图表数据
    fresh(data)
  }


  // 定义图表编辑项 option
  let option = reactive({})
  const getOption = (data) =>{
    return {
      color: data.myColor,
      title:{
        text:'单位：辆',
        textStyle:{
          fontSize:10,
          color:'#80878a'
        },
        left:'4%',
        top:'0%'
      },
      grid: {
        left: '2%',
        width:'91%',
        height:'83%',
        bottom: '3%',
        containLabel: true
      },
      legend: {
        show:false
      },
      xAxis: [{
        type: 'category',
        show: false,
        axisLabel: {
          show:true,
          color: '#80878a',
          fontSize: 10,
          interval: 0 //解决x轴显示不全
        },
        splitLine: {
          show: false
        },
        axisLine: {
          show: true,
          lineStyle:{
            type:'solid',
            color:'#B1B1B1',
            width:1
          }
        },
        axisTick :{
          show:false
        },
        show:true,
        data: data.dataTitle
      }],
      yAxis: [{
        splitLine: {
          show: true,
          lineStyle:{
            type:'dotted',
            color:'#556468',
            width:1
          }
        },
        axisLine: { //y轴
          show: true,
        lineStyle:{
            type:'solid',
            color:'#B1B1B1',
            width:1
          }
        },
        axisTick: {
          show: false
        },
        axisLabel: {
          color: '#80878a',
          fontSize: 10,
        },
        type: 'value',
        axisTick: {
          show: false
        },
      }],
      series: [{
        name: '特大',
        type: 'line',
        label: {
          show: false
        }, 
        data: data.dataList1,
        symbol:'circle',
        // color:'#41fff9',
        symbolSize:5,
        areaStyle: {
          color:new echarts.graphic.LinearGradient(0, 0,0, 1, [
            { offset: 0, color: 'rgba(65, 255, 249, 0.7)' },
            { offset: 1, color: 'rgba(11, 164, 159, 0) ' }
          ]),
        },
        itemStyle: {
          color:'#41fff9',
            borderType:'solid',
          borderWidth:1,
          borderColor:'#41fff9',
        },
      }],
      data:data.dataList1
    }
  }
  

  // 3. 得到mychart实例并暴露出去，处理进一步交互
  let getMychart = ([myChart_0, id]) => {
    myChart.value = myChart_0
  }

  // setOption 这里不需要修改
  let fresh = (data) => {
    nextTick(() => {
      // 处理好data后，拿去生成option
      option = getOption(data)
      myChart.value.setOption(option)
    })
  }

  onMounted(()=> {
    // 1. 若接入了数据，运行
    // getData()

    // 2. 若没有接入数据，运行
    dealData(data)
  })

</script>

<style lang="scss" scoped></style>